This patchset consists of four parts:
- minor TBF time conversion fix
- consolidation of time calculations: consolidate commonly used expressions
with the goal of making it easier to audit for integer overflows when
increasing the internally used clock resolution.
- support for detecting the clock resolution used by the kernel and converting
time values as necessary.
- finally, increase the internally used clock resolution to nano-seconds
These patches have been tested (well, TBF and HFSC) with both old kernels
and patched kernels using nano-second resolution.
tc/m_estimator.c | 4 +--
tc/m_police.c | 2 -
tc/q_cbq.c | 15 +++++++------
tc/q_hfsc.c | 18 +++++++--------
tc/q_htb.c | 4 +--
tc/q_netem.c | 14 +++---------
tc/q_tbf.c | 22 +++++++++----------
tc/tc_cbq.c | 8 +++----
tc/tc_core.c | 61 ++++++++++++++++++++++++++++++++++++++----------------
tc/tc_core.h | 13 +++++++----
tc/tc_estimator.c | 2 -
tc/tc_red.c | 2 -
tc/tc_util.c | 40 ++++++++++++++++++++++-------------
tc/tc_util.h | 7 +++---
14 files changed, 125 insertions(+), 87 deletions(-)
Patrick McHardy:
[IPROUTE]: tbf: fix latency printing
[IPROUTE]: Use tc_calc_xmittime() where appropriate
[IPROUTE]: Introduce tc_calc_xmitsize and use where appropriate
[IPROUTE]: Introduce TIME_UNITS_PER_SEC to represent internal clock
resolution
[IPROUTE]: Replace "usec" by "time" in function names
[IPROUTE]: Add sprint_ticks() function and use in CBQ
[IPROUTE]: Handle different kernel clock resolutions
[IPROUTE]: Increase internal clock resolution to nsec
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